//index.js
var app = getApp()
var Keys = require("../../assets/data/keys.js")

Page({
  data: {
    goodsList: {
      saveHidden: true,
      totalPrice: 0,
      allSelect: true,
      noSelect: false,
      list: []
    },
    delBtnWidth: 120,    //删除按钮宽度单位（rpx）
  },

  //获取元素自适应后的实际宽度
  getEleWidth: function (w) {
    var real = 0;
    try {
      var res = wx.getSystemInfoSync().windowWidth;
      var scale = (750 / 2) / (w / 2);  //以宽度750px设计稿做宽度的自适应
      real = Math.floor(res / scale);
      return real;
    } catch (e) {
      return false;
      // Do something when catch error
    }
  },
  initEleWidth: function () {
    var delBtnWidth = this.getEleWidth(this.data.delBtnWidth);
    this.setData({
      delBtnWidth: delBtnWidth
    });
  },
  onLoad: function () {

    // this.onShow();
  },
  onShow: function () {
    //this.initEleWidth();
    var _this = this;
    var shopList = [];
    // 获取购物车数据
    // var shopCarInfoMem = wx.getStorageSync('shopCarInfo');
    wx.request({
      url: Keys.data.url_Car,
      data: {
        DataType: 'Car_List',
        uid: app.login_id,
      },
      success: function (res) {
        console.log(res)
        if (res.data.isok == "true") {
          var shopCarInfoMem = res.data;
          if (shopCarInfoMem && shopCarInfoMem.datas) {
            shopList = shopCarInfoMem.datas
          }
          _this.data.goodsList.list = shopList;
          _this.setGoodsList(_this.getSaveHide(), _this.totalPrice(), _this.allSelect(), _this.noSelect(), shopList);
        }
      },
    });
  },
  onHide: function () {
    if (app.login_id == '')
      return

    var _this = this;
    var list_all = _this.data.goodsList.list;
    var firstcount = "";
    var delcs_id = "";
    var csid = "";
    for (let i = 0; i < list_all.length; i++) {
      csid += list_all[i].HCS_ID + ",";
      firstcount += list_all[i].HCS_Firstcount + ",";
    }
    wx.request({
      url: Keys.data.url_Car,
      data: {
        DataType: 'Car_Update',
        csid: csid,
        firstcount: firstcount,
        uid: app.login_id
      },
      success: function (res) {
        if (res.data.isok == "true") {
        }
      },
    });
  },
  toIndexPage: function () {
    wx.switchTab({
      url: "/pages/index/index"
    });
  },

  touchS: function (e) {
    if (e.touches.length == 1) {
      this.setData({
        startX: e.touches[0].clientX
      });
    }
  },
  touchM: function (e) {
    var index = e.currentTarget.dataset.index;
    if (e.touches.length == 1) {
      var moveX = e.touches[0].clientX;
      var disX = this.data.startX - moveX;
      var delBtnWidth = this.data.delBtnWidth;
      var left = "";
      if (disX == 0 || disX < 0) {//如果移动距离小于等于0，container位置不变
        left = "margin-left:0px";
      } else if (disX > 0) {//移动距离大于0，container left值等于手指移动距离
        left = "margin-left:-" + disX + "px";
        if (disX >= delBtnWidth) {
          left = "left:-" + delBtnWidth + "px";
        }
      }
      var list = this.data.goodsList.list;
      if (index != "" && index != null) {
        list[parseInt(index)].left = left;
        this.setGoodsList(this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
      }
    }
  },

  touchE: function (e) {
    var index = e.currentTarget.dataset.index;
    if (e.changedTouches.length == 1) {
      var endX = e.changedTouches[0].clientX;
      var disX = this.data.startX - endX;
      var delBtnWidth = this.data.delBtnWidth;
      //如果距离小于删除按钮的1/2，不显示删除按钮
      var left = disX > delBtnWidth / 2 ? "margin-left:-" + delBtnWidth + "px" : "margin-left:0px";
      var list = this.data.goodsList.list;
      if (index !== "" && index != null) {
        list[parseInt(index)].left = left;
        this.setGoodsList(this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);

      }
    }
  },

  delItem: function (e) {
    var index = e.currentTarget.dataset.index;
    var list = this.data.goodsList.list;
    list.splice(index, 1);
    this.setGoodsList(this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
  },


  selectTap: function (e) {
    var index = e.currentTarget.dataset.index;
    var list = this.data.goodsList.list;
    if (index !== "" && index != null) {
      list[parseInt(index)].active = !list[parseInt(index)].active;
      this.setGoodsList(this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
    }
  },
  totalPrice: function () {
    var list = this.data.goodsList.list;
    var total = 0;
    for (var i = 0; i < list.length; i++) {
      var curItem = list[i];
      if (curItem.active) {
        total += parseFloat(curItem.HCS_Price) * curItem.HCS_Firstcount;
      }
    }
    total = parseFloat(total.toFixed(2));//js浮点计算bug，取两位小数精度
    return total;
  },
  allSelect: function () {
    var list = this.data.goodsList.list;
    var allSelect = false;
    for (var i = 0; i < list.length; i++) {
      var curItem = list[i];
      if (curItem.active) {
        allSelect = true;
      } else {
        allSelect = false;
        break;
      }
    }
    return allSelect;
  },
  noSelect: function () {
    var list = this.data.goodsList.list;
    var noSelect = 0;
    for (var i = 0; i < list.length; i++) {
      var curItem = list[i];
      if (!curItem.active) {
        noSelect++;
      }
    }
    if (noSelect == list.length) {
      return true;
    } else {
      return false;
    }
  },
  setGoodsList: function (saveHidden, total, allSelect, noSelect, list) {
    for (var i = 0; i < list.length; i++) {
      list[i].HCS_Firstcount = parseInt(list[i].HCS_Firstcount);
    }
    this.setData({
      goodsList: {
        saveHidden: saveHidden,
        totalPrice: total,
        allSelect: allSelect,
        noSelect: noSelect,
        list: list
      }
    });
    var shopCarInfo = {};
    var tempNumber = 0;
    shopCarInfo.shopList = list;
    for (var i = 0; i < list.length; i++) {
      tempNumber = tempNumber + list[i].HCS_Firstcount
    }
    shopCarInfo.shopNum = tempNumber;
    wx.setStorage({
      key: "shopCarInfo",
      data: shopCarInfo
    })
  },
  bindAllSelect: function () {
    var currentAllSelect = this.data.goodsList.allSelect;
    var list = this.data.goodsList.list;
    if (currentAllSelect) {
      for (var i = 0; i < list.length; i++) {
        var curItem = list[i];
        curItem.active = false;
      }
    } else {
      for (var i = 0; i < list.length; i++) {
        var curItem = list[i];
        curItem.active = true;
      }
    }

    this.setGoodsList(this.getSaveHide(), this.totalPrice(), !currentAllSelect, this.noSelect(), list);
  },

  jiaBtnTap: function (e) {
    var index = e.currentTarget.dataset.index;
    var list = this.data.goodsList.list;
    if (index !== "" && index != null) {
      if (list[parseInt(index)].HCS_Firstcount < 1000000) {
        list[parseInt(index)].HCS_Firstcount++;
        this.setGoodsList(this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
      }
    }
  },

  jianBtnTap: function (e) {
    var index = e.currentTarget.dataset.index;
    var list = this.data.goodsList.list;
    if (index !== "" && index != null) {
      if (list[parseInt(index)].HCS_Firstcount > 1) {
        list[parseInt(index)].HCS_Firstcount--;
        this.setGoodsList(this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
      }
    }
  },

  editTap: function () {
    var list = this.data.goodsList.list;
    for (var i = 0; i < list.length; i++) {
      var curItem = list[i];
      curItem.active = false;
    }
    this.setGoodsList(!this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
  },

  saveTap: function () {
    var list = this.data.goodsList.list;
    for (var i = 0; i < list.length; i++) {
      var curItem = list[i];
      curItem.active = true;
    }
    this.setGoodsList(!this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
  },

  getSaveHide: function () {
    var saveHidden = this.data.goodsList.saveHidden;
    return saveHidden;
  },

  deleteSelected1: function (e) {
    var _this = this;
    var list = _this.data.goodsList.list;
    var list_all = _this.data.goodsList.list;
    list = list.filter(function (curGoods) {
      return curGoods.active;
    });
    var firstcount = "";
    var delcs_id = "";
    var csid = "";
    for (let i = 0; i < list_all.length; i++) {
      csid += list_all[i].HCS_ID + ",";
      firstcount += list_all[i].HCS_Firstcount + ",";
    }
    for (let i = 0; i < list.length; i++) {
      delcs_id += list[i].HCS_ID + ",";
    }

    wx.request({
      url: Keys.data.url_Car,
      data: {
        DataType: 'Car_Del',
        csid: csid,
        delcs_id: delcs_id,
        firstcount: firstcount,
      },

      success: function (res) {
        if (res.data.isok == "true") {
          _this.onShow();
        }
      },
    });


  },
  deleteSelected: function () {
    var list = this.data.goodsList.list;
    /*
     for(let i = 0 ; i < list.length ; i++){
           let curItem = list[i];
           if(curItem.active){
             list.splice(i,1);
           }
     }
     */
    // above codes that remove elements in a for statement may change the length of list dynamically
    list = list.filter(function (curGoods) {
      return !curGoods.active;
    });
    this.setGoodsList(this.getSaveHide(), this.totalPrice(), this.allSelect(), this.noSelect(), list);
  },
  toPayOrder1: function () {
    //组建立即购买信息
    var buyNowInfo = this.buliduBuyNowInfo();
    // 写入本地存储
    wx.setStorage({
      key: "buyNowInfo",
      data: buyNowInfo
    })
    //  this.closePopupTap();
    wx.navigateTo({
      url: "/pages/to-pay-order/index?orderType=buyShopping"
    })
  },

  /**
* 组建立即购买信息
*/
  buliduBuyNowInfo: function () {
    this.data.goodsList.list = this.data.goodsList.list.filter(function (curGoods) {
      return curGoods.active;
    });
    var buyNowInfo = {};
    if (!buyNowInfo.shopNum) {
      buyNowInfo.shopNum = 0;
    }
    if (!buyNowInfo.shopList) {
      buyNowInfo.shopList = [];
    }

    for (var i = 0; i < this.data.goodsList.list.length; i++) {
      var shopCarMap = {};
      shopCarMap.pic = this.data.goodsList.list[i].HJPI_Image;
      shopCarMap.name = this.data.goodsList.list[i].HCS_Name;
      shopCarMap.num = this.data.goodsList.list[i].HCS_Firstcount;
      shopCarMap.price = this.data.goodsList.list[i].HCS_Price;
      shopCarMap.id = this.data.goodsList.list[i].HCS_ID;
      shopCarMap.car_id = this.data.goodsList.list[i].HCS_ID;
      buyNowInfo.shopList.push(shopCarMap)
    }

    return buyNowInfo;
  },
  toPayOrder: function () {
    wx.showLoading();
    var that = this;
    if (this.data.goodsList.noSelect) {
      wx.hideLoading();
      return;
    }
    // 重新计算价格，判断库存
    var shopList = [];
    var shopCarInfoMem = wx.getStorageSync('shopCarInfo');
    if (shopCarInfoMem && shopCarInfoMem.shopList) {
      // shopList = shopCarInfoMem.shopList
      shopList = shopCarInfoMem.shopList.filter(entity => {
        return entity.active;
      });
    }
    if (shopList.length == 0) {
      wx.hideLoading();
      return;
    }
    var isFail = false;
    var doneNumber = 0;
    var needDoneNUmber = shopList.length;
    for (let i = 0; i < shopList.length; i++) {
      if (isFail) {
        wx.hideLoading();
        return;
      }
      let carShopBean = shopList[i];
      // 获取价格和库存
      // if (!carShopBean.propertyChildIds || carShopBean.propertyChildIds == "") {
      //   wx.request({
      //     url: 'https://api.it120.cc/' + app.globalData.subDomain + '/shop/goods/detail',
      //     data: {
      //       id: carShopBean.goodsId
      //     },
      //     success: function (res) {
      //       doneNumber++;
      //       if (res.data.data.properties) {
      //         wx.showModal({
      //           title: '提示',
      //           content: res.data.data.basicInfo.name + ' 商品已失效，请重新购买',
      //           showCancel: false
      //         })
      //         isFail = true;
      //         wx.hideLoading();
      //         return;
      //       }
      //       if (res.data.data.basicInfo.stores < carShopBean.number) {
      //         wx.showModal({
      //           title: '提示',
      //           content: res.data.data.basicInfo.name + ' 库存不足，请重新购买',
      //           showCancel: false
      //         })
      //         isFail = true;
      //         wx.hideLoading();
      //         return;
      //       }
      //       if (res.data.data.basicInfo.minPrice != carShopBean.price) {
      //         wx.showModal({
      //           title: '提示',
      //           content: res.data.data.basicInfo.name + ' 价格有调整，请重新购买',
      //           showCancel: false
      //         })
      //         isFail = true;
      //         wx.hideLoading();
      //         return;
      //       }
      //       if (needDoneNUmber == doneNumber) {
      //         that.navigateToPayOrder();
      //       }
      //     }
      //   })
      // } else {
      //   wx.request({
      //     url: 'https://api.it120.cc/' + app.globalData.subDomain + '/shop/goods/price',
      //     data: {
      //       goodsId: carShopBean.goodsId,
      //       propertyChildIds: carShopBean.propertyChildIds
      //     },
      //     success: function (res) {
      //       doneNumber++;
      //       if (res.data.data.stores < carShopBean.number) {
      //         wx.showModal({
      //           title: '提示',
      //           content: carShopBean.name + ' 库存不足，请重新购买',
      //           showCancel: false
      //         })
      //         isFail = true;
      //         wx.hideLoading();
      //         return;
      //       }
      //       if (res.data.data.price != carShopBean.price) {
      //         wx.showModal({
      //           title: '提示',
      //           content: carShopBean.name + ' 价格有调整，请重新购买',
      //           showCancel: false
      //         })
      //         isFail = true;
      //         wx.hideLoading();
      //         return;
      //       }
      //       if (needDoneNUmber == doneNumber) {
      //         that.navigateToPayOrder();
      //       }
      //     }
      //   })
      // }

    }
  },
  // navigateToPayOrder:function () {
  //   wx.hideLoading();
  //   wx.navigateTo({
  //     url:"/pages/to-pay-order/index"
  //   })
  // }




})
